Electronic cigarette



FIG. 1 is a front elevational view of the electronic cigarette showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a front, right, and top perspective view thereof; and,

FIG. 8 is a rear, left, and bottom perspective view thereof.

The broken lines shown in the figures depict portions of the electronic cigarette which form no part of the claimed design. 

CLAIM The ornamental design for an electronic cigarette, as shown and described. 